Artificial intelligence

Knowledge Base when I read this word the first thing that comes into my mine is artificial Intelligence. What actually is artificial intelligence???? What I think is my subject.. It’s really a horrible subject. I just don’t have any clue what my teacher say in a 1 hour class. I usually find myself sleeping in that class or doing something more useful then sleeping. Well…. From the first day of lecture to today I got one point is that this artificial intelligence gonna affect our future badly. What actually is artificial intelligence is??? It is not just a subject it is a dawn of something haunting, may be we are designing something really horrible for our upcoming generations. Let me tell you properly what is artificial intelligence it is creating an artificial mind which have its own intelligence. Seems to be funny but it is not any more, man is always known to create thing which creates problem sooner or later. We have millions of such examples, No doubt science has converted our life style, make thing look easy, but are actually they??? What I think we are steadily but surly moving towards something unpredictable………..